RaRiA Scientific Instrument Company
No. 114- B, C. R. Avenue Near Calcutta Medical College
Kolkata- 700073, West Bengal (India)
Skytech Systems India Private Limited
Chatterjee International Centre, Floor No. 16, Flat No 1A,Cabin No. 20, 33A, Jawaharlal Nehru Road,
Kolkata- 700071, West Bengal (India)
Excel Enterprises
Annada Apartment Backside, No. 26, Baishnabghata Lane
Kolkata- 700047, West Bengal (India)
United Chlore-paraffins Private Limited
No. 206 & 219, 2nd Floor, No. 36, Maharshi Devendra Road
Kolkata- 700006, West Bengal (India)